How to pronounce “tullis” in English

I was the first person, outside of the immediate rush of her death, to have any interest in her -- this is his only sibling; both parents were gone.And that really broke my heart that these women -- and particularly, Liliane and Julie Tullis, the third woman to climb K2 that same summer and died on descent -- just kind ofdisappeared. Pat? Q What surprised you, as you were doing the research?